#include <iostream>
#include <cstring>
using namespace std;

int apcar(char * S , int x)
{
    int cnt = 0;
    for(int i = 0 ; i < strlen(S) ; i++)
        if(S[i] == x)
            cnt++;
    return cnt;
}

int main()
{
    char S[256] , V[] = "aeiouAEIOU";
    cin.getline(S,256);
    int cnt = 0;
    for(int i = 0 ; i < 10 ; i++)
        cnt += apcar(S , V[i]);
    cout << cnt;
    return 0;
}